Kia ora, thanks for your interest in how we calculate an experience's ranking score. It's at the core of Rankers so I'm pleased you're curious.
The ranking score percentage is used to compare and sort experiences in ranking tables. It is not necessarily a direct measurement of the quality of a particular experience as rated by its customers. I've found it a useful tool to allow me to find the best experiences with confidence. But I've also found it important to read the customer reviews before making any final judgements!
We calculate an experience's ranking score using a multi-factor data model instead of a raw data average (mean). This model takes into account several important questions. For instance - is there a trusted body of reviews? What is the age of a review and is the review from a credible source?
Below you'll find details around some of the important factors that went into calculating the ranking score for Skyline Luge Rotorua.
If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.
Skyline Luge Rotorua
Valid Reviews
145 Valid Reviews
The Skyline Luge Rotorua experience has a total of 146 reviews. There are 145 valid reviews that are included when calculating the ranking score and 1 invalid review that are excluded from the calculation. Reviews can be excluded only when a reviewer is not verified or after an investigation by our team determines the reviewer is not genuine.
Below is the distribution of ratings for the 145 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 40 |
|
28% |
| 9/10 | 47 |
|
32% |
| 8/10 | 36 |
|
25% |
| 7/10 | 17 |
|
12% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.69% Average
The raw data average (mean) for all the Skyline Luge Rotorua valid reviews is 86.69% and is based on 145 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
Face-to-Face Reviews
121 Face-to-Face Reviews
The Rankers team meets with travellers while they’re in New Zealand and conducts face-to-face surveys. These reviews, in our opinion, are the most trusted in the industry and represent a critical control sample. To our knowledge, we are the only travel review website in the world that has gone to this extent.
More about face-to-face reviews
Within the 145 valid reviews, the experience has 121 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 121 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 31 |
|
26% |
| 9/10 | 38 |
|
31% |
| 8/10 | 34 |
|
28% |
| 7/10 | 13 |
|
11% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.12% Average
The raw data average (mean) for all the Skyline Luge Rotorua face-to-face reviews is 86.12% and is based on 121 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
87.09%
Rankers calculates a weighted mean as a base average on which we can improve. Individual review's ratings are given a weight based on several factors. The weight of a review determines the overall impact it'll have on the final weighted average.
Recent reviews have more weight as they are more relevant and reflect the experience as it currently operates. Over time reviews become less relevant and loose their impact on the ranking score.
Low rating reviews carry slightly less weight. This dampens the effect of very low ratings for every experience across the board. This is especially important when the experience has few reviews overall and a single negative rating can grossly mischaracterise an experience. Consistent poor reviews will still result in the experience receiving a comparitively low ranking score.
Credible sources provide reviews that can be trusted. If we have verified a reviewer is genuine via a face-to-face meeting then the review carries additional weight.
| Reviewer | Rating | Age | Relative Weight |
|---|---|---|---|
| Christian Paaske | 7/10 | 3479 days | 96% |
| Natasha Startup | 9/10 | 3511 days | 100% |
| Andy | 9/10 | 3516 days | 99% |
| Toby | 10/10 | 3522 days | 100% |
| Micha Kuster | 10/10 | 3580 days | 89% |
| Tim | 8/10 | 3596 days | 83% |
| Jendrik | 8/10 | 3596 days | 83% |
| Alice Frater | 7/10 | 3603 days | 74% |
| Jade Williams | 10/10 | 3616 days | 82% |
| Cora | 9/10 | 3857 days | 35% |
| Lauren Dinnage | 10/10 | 3865 days | 34% |
| Mike Munzenmaier | 9/10 | 3872 days | 32% |
| Matt Irwin | 8/10 | 3875 days | 31% |
| Annalies Beard | 8/10 | 3875 days | 31% |
| Laura Schafer | 9/10 | 3883 days | 30% |
| D Davey | 10/10 | 3892 days | 29% |
| Kirsten Gehrenbeck | 6/10 | 3894 days | 16% |
| Lucile Souday | 10/10 | 3903 days | 27% |
| Lisa Kalkert | 10/10 | 3904 days | 27% |
| David | 10/10 | 3904 days | 27% |
| Philip Piel | 9/10 | 3904 days | 26% |
| Miro | 6/10 | 3904 days | 14% |
| Chiara | 9/10 | 3904 days | 26% |
| Sabine Bergen | 9/10 | 3907 days | 26% |
| Annika Locker | 10/10 | 3910 days | 26% |
| Jess | 8/10 | 3941 days | 18% |
| Lilli Erni | 9/10 | 4574 days | 33% |
| Franz Birkefeld | 9/10 | 4575 days | 33% |
| Laina Black | 7/10 | 4595 days | 27% |
| Ricky White | 9/10 | 4595 days | 33% |
| Jennifer Garner | 9/10 | 4609 days | 33% |
| Philip Donachie | 10/10 | 4612 days | 34% |
| Klaus Petersen | 7/10 | 4614 days | 27% |
| Matthew Trezise | 10/10 | 4615 days | 34% |
| Lorraine Doyle | 10/10 | 4947 days | 34% |
| Lisa Blake | 9/10 | 5067 days | 33% |
| Jenben | 10/10 | 5081 days | 34% |
| David | 7/10 | 5081 days | 27% |
| Nikita Sue | 8/10 | 5348 days | 32% |
| Darren Ronchetti | 10/10 | 5351 days | 34% |
| Asha | 9/10 | 5386 days | 33% |
| Helen & Laurence | 9/10 | 5424 days | 33% |
| kirribilliangel | 10/10 | 5508 days | 34% |
| Dave van Bergen | 9/10 | 5656 days | 33% |
| Guult Ryan | 10/10 | 5678 days | 34% |
| Claire Colquhoun | 8/10 | 5679 days | 32% |
| Andy Johnson | 10/10 | 5683 days | 34% |
| Leanne Shepherd | 8/10 | 5684 days | 32% |
| Chris White | 10/10 | 5699 days | 34% |
| Jane & Regis | 7/10 | 5708 days | 27% |
| Invictus | 8/10 | 5873 days | 32% |
| craigy | 7/10 | 5904 days | 27% |
| Rob | 8/10 | 5974 days | 32% |
| David | 7/10 | 5990 days | 27% |
| Alzbeta Czech | 10/10 | 6071 days | 34% |
| Becky | 8/10 | 6078 days | 32% |
| Amer | 9/10 | 6082 days | 33% |
| Greg Gerritz | 8/10 | 6084 days | 32% |
| Chance McGuire | 10/10 | 6085 days | 34% |
| Hailey & Fin | 8/10 | 6097 days | 32% |
| pedawrds | 10/10 | 6136 days | 34% |
| thomash | 10/10 | 6141 days | 34% |
| asiacritics | 7/10 | 6147 days | 27% |
| Bue Verrept | 8/10 | 6154 days | 32% |
| canadianislandgirl | 7/10 | 6177 days | 27% |
| Ash Sturm | 9/10 | 6177 days | 33% |
| wileyman | 9/10 | 6208 days | 33% |
| clairet | 9/10 | 6256 days | 33% |
| ToryL | 9/10 | 6269 days | 33% |
| muriellef | 7/10 | 6273 days | 27% |
| katesh | 10/10 | 6346 days | 34% |
| caroldarren | 10/10 | 6391 days | 34% |
| Jake1 | 9/10 | 6393 days | 33% |
| HanT | 8/10 | 6400 days | 32% |
| Yvanna | 8/10 | 6410 days | 32% |
| EmmaL | 8/10 | 6424 days | 32% |
| AnthonyB1 | 8/10 | 6425 days | 32% |
| kiwibrit86 | 9/10 | 6434 days | 33% |
| Matt | 10/10 | 6440 days | 34% |
| SuenSwitzerland | 9/10 | 6450 days | 33% |
| Carolyn | 9/10 | 6453 days | 33% |
| Marcus | 8/10 | 6453 days | 32% |
| Kirsty | 10/10 | 6454 days | 34% |
| Fam | 9/10 | 6459 days | 33% |
| Hayley | 8/10 | 6465 days | 32% |
| Debbie Mossman | 9/10 | 6465 days | 33% |
| Alan | 8/10 | 6469 days | 32% |
| Claire | 10/10 | 6476 days | 34% |
| Spyfox | 10/10 | 6497 days | 34% |
| Sonja | 9/10 | 6504 days | 33% |
| Tim | 8/10 | 6511 days | 32% |
| Lorri S | 8/10 | 6515 days | 32% |
| lming60 | 10/10 | 6516 days | 34% |
| melissa | 10/10 | 6516 days | 34% |
| Vincent | 9/10 | 6521 days | 33% |
| Hanna | 5/10 | 6536 days | 11% |
| Henry | 8/10 | 6558 days | 32% |
| Laura | 9/10 | 6574 days | 33% |
| Dave | 9/10 | 6581 days | 33% |
| Anna | 8/10 | 6588 days | 32% |
| S D | 9/10 | 6605 days | 33% |
| Alex Paice | 9/10 | 6615 days | 33% |
| Nikki Gray | 9/10 | 6641 days | 33% |
| Kellie Teichmann | 10/10 | 6691 days | 34% |
| L1z4rd | 9/10 | 6710 days | 33% |
| Allie61 | 10/10 | 6756 days | 34% |
| Adam Richards | 9/10 | 6771 days | 33% |
| Nick | 9/10 | 6777 days | 33% |
| Andria Davis | 9/10 | 6784 days | 33% |
| Georgina Mulligan | 9/10 | 6784 days | 33% |
| catzmagic | 9/10 | 6784 days | 33% |
| Emily Houston | 7/10 | 6788 days | 27% |
| Nancy Dol | 8/10 | 6788 days | 32% |
| John Woodrow | 9/10 | 6792 days | 33% |
| Zara | 10/10 | 6800 days | 34% |
| Ed | 6/10 | 6800 days | 20% |
| Elle | 10/10 | 6800 days | 34% |
| Issy | 7/10 | 6800 days | 27% |
| Katharina | 10/10 | 6803 days | 34% |
| Juliet | 9/10 | 6804 days | 33% |
| paulonline | 10/10 | 6806 days | 34% |
| Marc Hertogs | 7/10 | 6807 days | 27% |
| Ash McNeil | 10/10 | 6807 days | 34% |
| Warren | 8/10 | 6831 days | 32% |
| Klaus | 9/10 | 6839 days | 33% |
| Ann Westmacott | 9/10 | 6865 days | 33% |
| Neil Cooke | 8/10 | 6873 days | 32% |
| Archie Murdoch | 8/10 | 6880 days | 32% |
| Orla | 8/10 | 6881 days | 32% |
| Andy Chapman | 8/10 | 6993 days | 32% |
| JanKovar | 7/10 | 7109 days | 27% |
| Magnus | 8/10 | 7121 days | 32% |
| Lorraine | 8/10 | 7127 days | 32% |
| Dan | 9/10 | 7132 days | 33% |
| Sarah | 8/10 | 7132 days | 32% |
| Richhouse | 8/10 | 7137 days | 32% |
| Emma Gareth | 9/10 | 7143 days | 33% |
| Karen Nellist | 10/10 | 7146 days | 34% |
| beesom | 9/10 | 7157 days | 33% |
| Janne | 7/10 | 7161 days | 27% |
| Frauke | 4/10 | 7163 days | 0% |
| Dave | 10/10 | 7168 days | 34% |
| RosalindBoyes | 7/10 | 7168 days | 27% |
| Hanna | 8/10 | 7169 days | 32% |
| LisaAllen | 10/10 | 7182 days | 34% |
Adjustments
Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.
Sample Size Adjustment
No Adjustment
A reasonable number of reviews are necessary in order for the average to be credible and for an experience to take a prime position within the ranking tables. As such, experiences with only a few reviews have a moderated score. This does not mean that the experience or the reviews can't be trusted. The Skyline Luge Rotorua experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-3.25% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 68 days. However the Skyline Luge Rotorua experience does not meet the criteria for any adjustment.
In addition, an experience's ranking score may be adjusted for each day there is no new ranking. After 1 day the adjustment comes into effect. The maximum number of days that can be adjusted for is 200 days. Due to the seasonal nature of many businesses, this adjustment is applied dynamically throughout the year.
The Skyline Luge Rotorua experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -3.20% |
| 198 | -3.22% |
| 199 | -3.23% |
| 200 | -3.25% |
| 201 | -3.27% |
| 202 | -3.28% |
| 203 | -3.30% |
| … | … |
Balancing Adjustment
2.06% Adjustment
Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.
You won't be surprised to learn that disgruntled customers are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.
We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.
Final Ranking Score
86%
The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.